Is GREENCASTLE AREA WATER AUTH's water safe to drink?
GREENCASTLE AREA WATER AUTH has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 5,500 people through 2,431 service connections.
How this compares nationally
108 total violations and 25 health-based ones put GREENCASTLE AREA WATER AUTH at the 95th percentile nationally for violation burden, rank 696 of 12,903.
Against the PA average
Among the 475 PA systems in this dataset, the average is 5.5 health-based violations - GREENCASTLE AREA WATER AUTH's 25 is above that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
GREENCASTLE AREA WATER AUTH's most recent violation on record is dated 2026-01-04, with the most recent health-based one dated 2012-01-07. Last reported to EPA: 06/15/2026.
The concern categories on record
GREENCASTLE AREA WATER AUTH's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Nitrate / nitrite - flagged from: Nitrate
- Microbial contamination / treatment technique - flagged from: Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
The most severe category on record is nitrate / nitrite, which points toward a reverse osmosis-class filter if you want to address it directly.
What GREENCASTLE AREA WATER AUTH's record does not cover
GREENCASTLE AREA WATER AUTH's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 25 health-based violations on file for GREENCASTLE AREA WATER AUTH - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.